What puzzles me in screen shot: https://i.imgur.com/Y7HKwmV.png

Is that after GPU 0: is normaly temp and fan speed for the GPU:

GPU 0: 75.0C    2133RPM

That make me think that it might be a driver/comminication problem after all.

But you say that the card work perfect when gaming?
Have you tried anything heavy, like Combuster or a 3D game?

(you are not using PCIe raiser, right? and you power supply are good, just to exclude those things)

try the same configuraiton without
“thread-concurrency” : “32765″, (just delete the whole line or set to "8192" instead)

If that do not work, then try to strip down the configuration file until it runs.
Should be able to work with only:


{
“pools” : [
{
"url" : "stratum+tcp://yourrpool1.com:3334",
"user" : "<USER>.<WORKER>",
"pass" : "<PASS>"
},
}
],
“scrypt” : true,
}

(If you don't specify a parameter then is the default value used)

I suggest that you try the following:
Use a configuration files for all your settings, that will make it more easy to troubleshoot

Make a file called, something like "miner280x.conf":

{
“pools” : [
{
"url" : "stratum+tcp://yourrpool1.com:3334",
"user" : "<USER>.<WORKER>",
"pass" : "<PASS>"
},
{
"url" : "stratum+tcp://yourpool2.com:3333",
"user" : "<USER>.<WORKER>",
"pass" : "<PASS>"
}
],
“intensity” : “20″,
“vectors” : “1″,
“worksize” : “256″,
“lookup-gap” : “2″,
“thread-concurrency” : “32765″,
“gpu-engine” : “1000″,
“gpu-memclock” : “1350″,
“gpu-powertune” : “20″,
“temp-cutoff” : “99″,
“temp-overheat” : “95″,
“temp-target” : “90″,
“expiry” : “120″,
“failover-only” : true,
“gpu-threads” : “1″,
“log” : “5″,
“queue” : “1″,
“scan-time” : “60″,
“scrypt” : true,
}

Then called the miner with:

cgminer.exe -c miner280x.conf"


Try to exclude the enviroment setup to begin with so you you only call the miner with your configuration file.

The following should force your GPU to i high clk freq:
 “gpu-engine” : “1000″,
“gpu-memclock” : “1350″,

- If you get the same result (or simular) try to decrease intensity (I know that a 290X should be able to run i = 20, but just for the trouble shot)

Report back

Make a screenshoot of you cgminer and post here.

Post the whole configuraiton file here.

Then lets take from there, it sounds like a configuration problem.

Maybe I can help (I am asuming you are using cgminer), can you post your configuration file (if you use one) and the bat file that launches the miner?

(I have been tuning and tweaking MSI R280X a lot)

I can't help notice that the pictures of the chip on the front page, one picture show a chip in flip-chip package and another picture shows a BGA package.
That is very suspicious to me, if you made a "great product" then show some real pictures of the hardware instead of some stolen photo shopped pictures.
That is zero credibility in my world, if you don't have a product to take pictures of yet, then publish a datasheet at least.

+1

such fame, wow

DOGE network hashrate just passed 100 GH/s!

wow

That's a lot of hashing power!!!

Well... 1/3 of the thread is advertising for pools...  
Which reminds me there havent been a pool add for 8 hours? (blessed)

Difficulty is still increasing for DOGE, Est Next Difficulty 1271.82136212. wow

How are you doing in terms of ROI?

(you are the one with those 9 x 7970 GPU's, right?)

I would say a bit lower, we are only at block 67487, we are 2 weeks away from block reward reduction, so supply will be constant (high) until then.
After block 100000 then is 200 santoshi a reasonable level to expect (imo).

Edit: We also have to make at least one more hardfork to fix the potential of unlimited DOGE supply.

No problem (good decision, even though scrypt is not as sensitive to time-to-market as bitcoin), I was close to getting into R20x, but I decided to upgrade my old rig instead, since the R9 290X is too expensive in terms of hash/$ (imo). I went with the R9 280X, they had ROI in about a month.

I will definitely consider if you open a new scrypt round.

DOGE is at block 66666

Many 6, much wow.

Still good story bro

I sold 100K for 42 last week, since I need to secure ROI for my equipment and funds for next investment, I do not regret anything.

Don't regret just learn from your mistakes and do better next time.
Your life is still the same, with and without 80K of DOGE

Cheers

Great story, thanks for sharing.
However I do not believe that Pewex can be categorized as cryptocurrency.
Cryptocurrency rely on a decentralized "prof-of-work" by a encryption hash algorithm, which is not the case with Pewex.

dat difficulty  

I remembered when it reached 100k, I seriously considered to switch to LTC, good I stayed with DOGE.

Agreed. I have my BTC,LTC on one HDD and the DOGE on another HDD.

I agree, if you have 1 mil DOGE or more, then you seriously need to consider securing your funds.

A very safe and easy setup is to get a old computer only used as DOGE wallet (e.g. old laptop), instal a clean OS, instal Dogecoin-QT, copy-paste the public key to a txt file, and transfer the file to a USB stick.
TURN of you Doge wallet computer (now your wallet is "cold").

Transfer funds to the public adr. for your doge wallet - sit back and look at pictures from Hawaii)